21 May
2012
21 May
'12
8:16 p.m.
Harald Welte wrote:
In the ideal world we would have a multi-function USB
device exporting
separat interfaces for this, but the sam7s only supports 4 USB endpoints
and thus we have to somehow tunnel the "card simulation" part through
those Escape commands of the CCID profile.
It's also possible to use vendor-specific control transfers
independently of the interface.
//Peter